Munitions of war; implements for warfare, as slings, bows, and arrows.
- Large-caliber weapons, such as cannon, howitzers, and missile launchers, that are operated by crews.
- The branch of an army that specializes in the use of such weapons.
- The science of the use of guns; gunnery.
- Weapons, such as catapults, arbalests, and other early devices, used for discharging missiles.